Brodie knob
词源说明
In reference to Steve Brodie; more in Wikipedia at Brodie knob § Etymology.
释义
名词noun
- 1datedA knob attached to the steering wheel of a motor vehicle or tractor, especially before the widespread availability of power steering, helping the driver steer with one arm, especially when the steering effort is hardest (for example, while backing up with a trailer and the vehicle is nearly stationary).